Page 56 - Catalogue 2019

WAFER TYPE BUTTERFLY VALVE Z 611-K WAFER TYPE BUTTERFLY VALVE Z 611-K

TECHNICAL DATA TORQUE

Nominal diameter: DN 50 - DN 300 - The values listed in the table are
initial breakaway torques, taken
Face-to-face: EN 558 Series 20 with liquids and lubricant media.
ISO 5752 Series 20 - Please regard these as
API 609 Table 1 approximate values, as the
objective value depends on
Flange different factors like pressure, DN [mm] 50 65 80 100 125 150 200 250 300
accommodation: EN 1092 PN 10/16 medium, rubber, quality, Size [in] 2 2½ 3 4 5 6 8 10 12
ASME Class 150 temperature ... etc. MD [Nm]* 9 18 18 28 45 78 140 200 280
-others on request-
- Our engineers look forward to *measured at 10 bar operating pressure All values in Nm
help you with exact values for
Flange Surface Design: EN 1092 Form A/B your application.
ASME RF, FF
- Powdery (non-lubricant) media
Top fl ange: EN ISO 5211 Md x 1,3
Marking: EN 19 - Dry gases/high viscous media
Md x 1,2
Tightness check: EN 12266 (Leakage rate A)
ISO 5208, Category 3

Temperature range: -40°C bis +200°C
(depending on seat material)

Operating pressure: max. 10 bar

Resilient seated wafer type butterfl y valve in split - body design for
semi-corrosive media.

K -VALUES Opening angle α°
v
FEATURES - The K -value [m³ per hour] is the DN Size
v
fl ow of water at a temperature of [mm] [in] 20° 30° 40° 50° 60° 70° 80° 90°
- One piece disc/shaft, centric bearing 5°C to 30°C (41°F to 86°F) at 50 2 3,84 10,1 20,7 34,4 49,7 65,2 79,5 91,2
- Split body with stainless steel screws ∆p of 1 bar 65 2½ 9,5 16,6 39,1 72,6 113 157 199 235
- Insulation height as per plant regulations - The K -values specifi ed are 80 3 15,6 20,6 51,4 102 165 234 304 368
v
based on tests carried out by the 100 4 24,9 39,8 96,5 183 288 398 503 589
- Can be installed in any desired position Delfter Hydraulics Laboratories, 125 5 51,8 67,2 135 256 428 652 926 1250
- Triple shaft bearing the Netherlands 150 6 76,5 97,3 197 375 629 957 1360 1830
- Disc`s sealing surface mirror polished 200 8 137 187 373 697 1160 1760 2510 3400
- Permissible velocity of fl ow
- Materials complying with FDA standards available Vmax 4,5 m/s for liquids, 250 10 227 271 563 1090 1850 2830 4010 5390
- Can be disassembled, material-specifi c recycling possible Vmax 70 m/s for gases 300 12 287 409 820 1550 2610 4050 5880 8120
Subject to change without notice
- The throttle function is linear at
an angle 30° to 70°
GENERAL APPLICATIONS
- Avoid cavitation
- Food and beverage industry
For further values, please contact
our engineers.

post@ebro-armaturen.com
Z 611-K 1.13 www.ebro-armaturen.com
01.2019